/* Copyright (c) 2020 XEPIC Corporation Limited */
/*
 * Copyright (c) 2003-2010 Stephen Williams (steve@icarus.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form under the terms of the GNU
 *    General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */

#include <acc_user.h>
#include <assert.h>
#include <vpi_user.h>

PLI_INT32 acc_fetch_size(handle obj) { return vpi_get(vpiSize, obj); }

PLI_INT32 acc_fetch_type(handle obj) {
  switch (vpi_get(vpiType, obj)) {
    case vpiConstant:
      /*XXXX SWIFT PLI tasks seem to assume that string
        constants show up an accParameter, instead of
        accConstant. */
      if (vpi_get(vpiConstType, obj) == vpiStringConst)
        return accParameter;
      else
        return accConstant;

    case vpiNamedEvent:
      return accNamedEvent;

    case vpiNet:
      return accNet;

    case vpiParameter:
      return accParameter;

    case vpiReg:
      return accReg;

    case vpiIntegerVar:
      return accIntegerVar;

    case vpiModule:
      return accModule;
  }

  vpi_printf("acc_fetch_type: vpiType %d is what accType?\n",
             (int)vpi_get(vpiType, obj));
  return accUnknown;
}

PLI_INT32 acc_fetch_fulltype(handle obj) {
  int type = vpi_get(vpiType, obj);

  switch (type) {
    case vpiNet: {
      type = vpi_get(vpiNetType, obj);
      switch (type) {
        case vpiWire:
          return accWire;
        default:
          vpi_printf("acc_fetch_fulltype: vpiNetType %d unknown?\n", type);
          return accUnknown;
      }
    }

    case vpiConstant:
      /* see acc_fetch_type */
      if (vpi_get(vpiConstType, obj) == vpiStringConst)
        return accStringParam;
      else
        return accConstant;

    case vpiIntegerVar:
      return accIntegerVar;

    case vpiModule:
      if (!vpi_handle(vpiScope, obj))
        return accTopModule;
      else
        return accModuleInstance;
      /* FIXME accCellInstance */

    case vpiNamedEvent:
      return accNamedEvent;

    case vpiParameter:
      switch (vpi_get(vpiConstType, obj)) {
        case vpiRealConst:
          return accRealParam;
        case vpiStringConst:
          return accStringParam;
        default:
          return accIntegerParam;
      }

    case vpiReg:
      return accReg;

    default:
      vpi_printf("acc_fetch_fulltype: vpiType %d unknown?\n", type);
      return accUnknown;
  }
}
